/*
 * Copyright 2021-2025 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.springframework.data.elasticsearch.core.index;

import static org.assertj.core.api.Assertions.*;
import static org.skyscreamer.jsonassert.JSONAssert.*;

import org.json.JSONException;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;

/**
 * @author Peter-Josef Meisch
 * @since 4.4
 */
class SettingsUnitTests {

	@Test
	@DisplayName("should merge other Settings on this settings")
	void shouldMergeOtherSettingsOnThisSettings() throws JSONException {

		String thisSettingsJson = """
				{
				  "index": {
				    "weather": "sunny",
				    "backup": {
				      "interval": 5,
				      "target": {
				        "type":"cloud",
				        "provider": "prov1"
				      }
				    },
				    "music": "The Eagles"
				  }
				}
				"""; //
		//
		//
		//
		//
		//
		// " \"type\":\"cloud\",\n" + //
		//
		//
		//
		//
		//
		String otherSettingsJson = """
				{
				  "index": {
				    "weather": "rainy",
				    "backup": {
				      "interval": 13,
				      "target": {
				        "provider": "prov2"
				      }
				    },
				    "drink": "wine"
				  }
				}
				"""; //
		//
		//
		//
		//
		//
		//
		//
		//
		//
		//
		//
		//
		//
		String mergedSettingsJson = """
				{
				  "index": {
				    "weather": "rainy",
				    "backup": {
				      "interval": 13,
				      "target": {
				        "type":"cloud",
				        "provider": "prov2"
				      }
				    },
				    "music": "The Eagles",
				    "drink": "wine"
				  }
				}
				"""; //

		Settings thisSettings = Settings.parse(thisSettingsJson);
		Settings otherSettings = Settings.parse(otherSettingsJson);

		thisSettings.merge(otherSettings);

		assertEquals(mergedSettingsJson, thisSettings.toJson(), true);
	}

	@Test
	@DisplayName("should flatten its content")
	void shouldFlattenItsContent() {

		String settingsJson = """
				{
				  "index": {
				    "weather": "sunny",
				    "backup": {
				      "interval": 5,
				      "target": {
				        "type":"cloud",
				        "provider": "prov1"
				      }
				    },
				    "music": "The Eagles"
				  }
				}
				"""; //

		Settings settings = Settings.parse(settingsJson);

		Settings flattened = settings.flatten();

		String flattenedKey = "index.backup.target.type";
		assertThat(flattened).containsKey(flattenedKey);
		assertThat(flattened.get(flattenedKey)).isEqualTo("cloud");
	}

}
